Upper torso muscle developer



FIG. 1 is a front elevational view of an upper torso muscle developer, showing my newdesign;

FIG. 2 is a rear elevational view therof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is an top plan view thereof, on a reduced scale; and,

FIG. 6 is a bottom plan view thereof, on a reduced scale. 

I claim the ornamental design for an upper torso muscle developer, as shown. 